21502428

素因数分解:

$2^2\times 3^1\times {\mathrm{557}}^1\times {\mathrm{3217}}^1$

素因数の和:3781

約数の個数: 24

約数和(自身を含む): 50278032

約数和(自身を除く): 28775604

約数列:

[1, 2, 3, 4, 6, 12, 557, 1114, 1671, 2228, 3217, 3342, 6434, 6684, 9651, 12868, 19302, 38604, 1791869, 3583738, 5375607, 7167476, 10751214, 21502428]

約数ペア:

[(1, 21502428), (2, 10751214), (3, 7167476), (4, 5375607), (6, 3583738), (12, 1791869), (557, 38604), (1114, 19302), (1671, 12868), (2228, 9651), (3217, 6684), (3342, 6434)]